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Finding the Fourth Proportional to 580,440.79, 868,408.54 and 508,824.74

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Solution

The fourth proportional to 580,440.79, 868,408.54 and 508,824.74 is: 761,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,440.79 : 868,408.54 = 508,824.74 : x
  2. Step 2: Convert to fraction form
    580,440.79/868,408.54 = 508,824.74/x
  3. Step 3: Cross multiply
    580,440.79x = 868,408.54 × 508,824.74
  4. Step 4: Simplify right side
    580,440.79x = 441,867,748,455.58
  5. Step 5: Solve for x
    x = 441,867,748,455.58/580,440.79
  6. Step 6: Final answer
    x = 761,262.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.